Question

3 * 5^n+1 ? 5^n + 4 * 5^n+2 + 5^n * 2 = 2950​

Answer 1

Răspuns:

dam pe 5^n factor comun

5^n*(3×5+1+4×5^2+2)=2950

5^n*(15+1+100+2)=2950

5^n*118=2950=>5^n= 2950÷118

5^n=25 => n=2